GPT-6
GPT-6 is a closed AI model from OpenAI with an index score of 199 (GPT-4 = 100), rank 2 of 207.
199182–215Index score#2 of 207 models
–Price per million tokensno public API price found
–Context windowtokens it reads at once
26 Oct 2026Released1 day ago
Where it sitson the frontier
GPT-6 Astra reached this score 2 months earlier.
Test resultsby area · tick = best by any model
Reasoning & knowledgeevidence
Mathsevidence
Codingevidence
Agentsevidence
Professional workevidence
Novel problemsevidence
Long tasksno evidence yet
Third-party results only, at the model’s best standard setting. Hover a bar for who ran it.
What others sayrank on each leaderboard
The Model Indexthird-party tests, our method#2of 207 · 199
Best attop three among current models
Facts and sources
Released26 Oct 2026
Announcementopenai.com ↗
Release entryGPT-6
Scored asGPT-6 Astra
Output speed–
Hugging Faceclosed weights
